Today (18-June-2014) at 10:20 UTC a magnitude 3,2 earthquake took place in Katla volcano caldera. A swarm of smaller earthquakes did happen after the main event. Depth of the main earthquake was 2,5 km.
Following this earthquake few minor earthquakes appeared. None of them had a magnitude above 1,0. So far things remain quiet in Katla volcano and it is difficult to know for sure if this is something more than just summer earthquake activity in Katla volcano. I am at least going to keep an eye out for activity in Katla volcano.
The magnitude 3,1 earthquake as it did appear on my geophone in Heklubyggð. This image is under Creative Commons Licence. Please see CC Licence page for more details.
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Post updated at 14:45 UTC.